WO2004024473A1 - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- WO2004024473A1 WO2004024473A1 PCT/JP2003/011426 JP0311426W WO2004024473A1 WO 2004024473 A1 WO2004024473 A1 WO 2004024473A1 JP 0311426 W JP0311426 W JP 0311426W WO 2004024473 A1 WO2004024473 A1 WO 2004024473A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- arc
- vehicle
- curvature
- radius
- tire
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/04—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/0083—Tyre tread bands; Tread patterns; Anti-skid inserts characterised by the curvature of the tyre tread
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/0306—Patterns comprising block rows or discontinuous ribs
- B60C11/0309—Patterns comprising block rows or discontinuous ribs further characterised by the groove cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/04—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag
- B60C11/042—Tread patterns in which the raised area of the pattern consists only of continuous circumferential ribs, e.g. zig-zag further characterised by the groove cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1376—Three dimensional block surfaces departing from the enveloping tread contour
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1376—Three dimensional block surfaces departing from the enveloping tread contour
- B60C11/1384—Three dimensional block surfaces departing from the enveloping tread contour with chamfered block corners
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S152/00—Resilient tires and wheels
- Y10S152/901—Tread pattern having no blocks and having circumferential ribs defined by linear circumferential grooves having straight edges
Definitions
- the present invention relates to a pneumatic tire, and more particularly, to a pneumatic tire with improved uneven wear resistance and turning performance.
- a plurality of main grooves extending straight in the tire circumferential direction are provided on a tread surface, and a pneumatic tire having a circumferentially extending rib (land portion) formed by these main grooves, and further extending in the tire width direction.
- a pneumatic tire in which lateral grooves are arranged at a predetermined pitch in the circumferential direction of the shaft, and a main train and lateral grooves form a block row (land portion) extending in the circumferential direction.
- the ground surface 13x of the rib 13 formed between the main grooves 12 forms the contour of the tread surface 11 in a tire meridian section.
- Such pneumatic tires have an outer end portion 1 that becomes an outer side M when the tire is mounted on the vehicle at each of the ribs 13 under a use condition in which a large turning force is generated such as a circuit running. Since the ground pressure concentrates on 3a, uneven wear, in which the outer end 13a is worn locally, is likely to occur. In particular, since a high contact pressure is applied to the outer end 13a of the second land portion 13N counted from the outside M of the vehicle, the end 13a is significantly worn, and the uneven wear resistance is greatly reduced. There was a problem of getting worse.
- the pneumatic tire of the present invention that achieves the above object is provided with a plurality of main grooves extending straight in the tire circumferential direction on a tread surface, and forming a land portion extending in the tire circumferential direction by the main grooves.
- a pneumatic tire whose ground contact surface is composed of a first arc with a single radius of curvature in the tire meridian section, at least the second land contact counted from the outside of the vehicle when the tire is mounted on the vehicle.
- the ground is formed by connecting at least one second arc that is in contact with the first arc on the outside of the vehicle, and the radius of curvature of the arc is reduced as the arc is located outside the vehicle, and the radius of curvature is reduced as the arc is located outside the vehicle.
- the depth d of the depression at the intersection of the arc located on the outermost side of the vehicle and the vehicle outer wall surface of the at least second land portion, and the main groove facing the vehicle outer wall surface Ratio to groove depth D d / D is set to 0.02 to 0.1.
- the ground contact surface of the second land counted from the outside of the vehicle, which greatly reduces uneven wear and turning performance, is at least one second arc with a smaller radius of curvature outside the vehicle than the conventional first arc.
- the depth d of the intersection between the second arc and the vehicle outer wall surface of the second land part is specified as described above in relation to the groove depth D of the main groove facing the vehicle outer wall surface.
- the contact pressure distribution on the second land can be made more uniform when a large turning force is applied, such as when driving on a circuit, and the contact pressure at the outer end can be prevented from increasing. . Therefore, the uneven wear resistance can be improved, and the lifting and slippage on the inner end side of the second land portion can be reduced. can do.
- a plurality of main grooves extending straight in the tire circumferential direction are provided on the tread surface, and land portions extending in the tire circumferential direction are divided by the main grooves, and each land portion is formed.
- at least the second ground contact surface counted from the outside of the vehicle, has the ground contact surface of the first circular arc having a single radius of curvature in the tire meridian cross section.
- a curved line tangent to the outside of the vehicle is connected to the first circular arc, and the curve is depressed from the tread surface as the curved line is located outside the vehicle.
- FIG. 1 is a front view of a principal part of a tread surface showing one embodiment of a pneumatic tire of the present invention.
- FIG. 2 is an enlarged sectional view of a main part of the meridian meridian of FIG.
- FIG. 3 is an enlarged sectional view of a main part of the meridian meridian showing another embodiment of the pneumatic tire of the present invention.
- FIG. 4 is an enlarged sectional view of a principal part of a tire meridian showing still another embodiment of the pneumatic tire of the present invention.
- FIG. 5 is an enlarged sectional view of a principal part of the meridian of a pneumatic tire according to still another embodiment of the present invention.
- FIG. 6 is an enlarged cross-sectional view of a principal part of a meridian showing a conventional pneumatic tire.
- FIG. 7 is an enlarged sectional view of a principal part of the tire meridian of the comparative tire 1 used in the example.
- FIG. 8 is an enlarged sectional view of a principal part of the tire meridian of the comparative tire 2 used in the example.
- FIG. 9 is an enlarged sectional view of a principal part of the tire meridian of the comparative tire 3 used in the example.
- FIG. 1 shows an embodiment of the pneumatic tire according to the present invention, in which a plurality of (three in the figure) main grooves 2 extending straight along the tire circumferential direction T are provided on a tread surface 1.
- the ribs (land portions) 3 extending in the tire circumferential direction are separately formed by the main grooves 2.
- CL is one line of the tire center.
- the ground contact surface 3x of the second land portion 3A counted from the outside M of the vehicle has a first arc C1 having a radius of curvature R1 as shown by a tire meridian section in FIG. It consists of a first arc C2 with a radius of curvature R2 that touches the outside of the vehicle. ing.
- the first arc C 1 coincides with the arc C 0 having the radius of curvature R 0 that forms the contour of the tread surface 1, and the first arc C 1 and the first arc C 2 are on the same tangent line .
- Each contact surface 3X of the other land portion 3 is constituted by a first arc C1 having a single radius of curvature R1.
- the radius of curvature R 2 of the second arc C 2 located outside the vehicle is smaller than the radius of curvature R 1 of the first arc C 1, and the second arc C 2 is outside the vehicle It is formed so as to be gradually depressed from the arc C 0 forming the contour of the tread surface 1.
- the depth d of the intersection P is defined as the tangent S between the ground contact surfaces 3 X of the land 3 located on both sides of the main groove 2 outside the second land 3 A in FIG. This is the length measured from S to the intersection P in a direction perpendicular to the tire axis.
- the groove depth D of the main groove 2 is a length measured from the groove bottom 2X to the tangent S at the center of the groove width in a direction perpendicular to the evening axis.
- the contact surface 3X of the land portion 3A which greatly affects the uneven wear resistance and lowering of the turning performance, is provided with a smaller radius of curvature on the outside of the vehicle than the conventional first arc C1. 2
- the outer end 3A1 is Of the tread surface to the inside diameter of the tire effectively, and the contact pressure distribution when a large turning force is applied can be made more uniform than before, so the contact pressure concentrates on the outer end 3 A1 Can be avoided.
- the uneven wear resistance can be improved, and at the same time, the lifting and sliding of the inner end 3A2 side of the land 3A can be suppressed, so that the turning performance can be improved.
- the ratio d / D is smaller than 0.02, it becomes difficult to effectively improve the turning performance and the uneven wear resistance. Conversely, if it exceeds 0.1, the turning performance cannot be effectively improved.
- FIG. 3 shows another embodiment of the pneumatic tire of the present invention, in which the ground surface 3X of the second land portion 3A is formed by first, second, and third radii of curvature R1, R2, and R3.
- Third arc C 1 It is composed of C 2 and C 3.
- the curvature radii R l, R2, and 1 ⁇ 3 are largest in the first arc 1 and smaller in the third arc C 3 located outside the vehicle.
- the ground plane 3X is composed of the three arcs C1, C2 and C3, and the outer side of the vehicle facing the third arc C3 on the outer side of the vehicle and the main groove 2 on the outer side of the first land portion 3A.
- the ratio d / W of the depth d of the intersection P with respect to the groove width W of the main groove 2 is preferably set to 0.01 ⁇ d / W ⁇ 0.15. If the ratio d / W is less than 0.01, it is difficult to effectively improve the turning performance and uneven wear resistance. Conversely, if the ratio d / W is more than 0.15, the turning performance is effectively improved. Can not.
- the ratio R1 of the radii of curvature R1 and R2 of the arcs C1 and C1 is R1. It is good to set / R 2 to 2 to 10. When the ratio R1 / R2 is smaller than 2, the effect of improving the turning performance is small. Conversely, if it is larger than 10, the effect of improving the turning performance and wear resistance is small.
- the relationship between the radii 13 ⁇ 41, R2, and R3 is such that the ratio R1 / R2 and the ratio R2 / R3 are 2 to 10 respectively.
- the ratio R1 / R2 and the ratio R2 / R3 are 2 to 10 respectively.
- the above-mentioned ground contact surface 3X may be configured by three or more arcs, and is configured by a first arc C1 and at least one second arc C2 contacting the first arc C1 outside the vehicle. What is necessary is just to make the radius of curvature of the arc smaller as it is positioned closer to the outside of the vehicle.
- the depth d of the intersection P at that time is the depth of the intersection between the arc located on the outermost side of the vehicle and the outer wall surface 3y of the vehicle.
- a curve 4 whose radius of curvature continuously decreases toward the vehicle outer wall surface 3y is connected to the outside of the first circular arc C1 so as to be tangent to the same tangent line.
- the curve 4 may be formed so as to be gradually depressed from the circular arc C 0 forming the contour of the tread surface 1 as the curve 4 is located outside the vehicle. If such a curve 4 is used, the curve 4 By setting the ratio d / D of the depth d of the depression P at the intersection P of the vehicle outer wall surface 3 y and the groove depth D of the main groove 2 facing the vehicle outer wall surface 3 y in the same manner as described above. The effect can be obtained.
- an inner arc C2 ' having a smaller radius of curvature than the first arc C1 is provided on the inside of the first arc C1 so as to be in contact with the same arc, and the inner arc C2' is provided inside the land 3a.
- the portion of the contact surface 3X at the end 3A2 may be gradually depressed from the arc C0 forming the contour of the tread surface 1 toward the inside of the vehicle.
- the ground pressure can be prevented from being concentrated on the inner end 3 A2 when the vehicle turns in the opposite direction such that the inner end 3 A2 of the land portion 3 a turns outward.
- the uneven wear resistance of A2 can be improved, and the turning performance during reverse turning can be improved.
- the relationship between the radius of curvature R2 'of the arc C2' and the radius of curvature R1 of the first arc C1 is preferably such that the ratio R1 / R2 'is 2 to 10. If the ratio R 1 / R2 'is less than 2, the effect of improving the turning performance during reverse turning is small. Conversely, if the ratio R 1 / R2' is larger than 10, the turning performance during reverse turning and the resistance of the inner end 3 A2 The effect of improving abrasion is small.
- the ratio d, / D ' should be set to 0.0 1 ⁇ d' / D, ⁇ 0.1. If the ratio d '/ D, is less than 0.01, it is difficult to effectively improve the turning performance during reverse turning and the uneven wear resistance of the inner end 3A2. If it exceeds 1, the turning performance during reverse turning cannot be improved effectively.
- ′ In the above-described embodiment, only the ground surface 3X of the first land portion 3A counted from the vehicle outside M is formed as described above, but the ground surface 3X of the third or fourth land portion 3 is also formed.
- the contact surface 3X of the second land portion 3A which greatly affects at least uneven wear resistance and lowering of turning performance, may be configured as described above.
- the main groove 2 in the present invention has a groove width of 2% or more of the nominal width of the tire, and a groove extending in a circumferential direction smaller than the groove corresponds to the main groove of the present invention. is not.
- the tread pattern further includes lateral grooves extending in the tire width direction arranged at a predetermined pitch along the tire circumferential direction, and provided with land portions made up of block rows extending in the tire circumferential direction T instead of the ribs. Is also good.
- the tire size was set to 23 5/45 ZR 17 and the ground contact surface of the second land part counted from the outside of the vehicle when the tire was mounted on the vehicle at the tread pad shown in Fig. 1 was set to the radius of curvature R 1 , R 2 of FIG. 1 composed of one arc C 1, C 2 having three arcs C 1, C 2, C 3 having radii of curvature R 1, R 2, R 3 Inventive tire 3 of FIG. 4 and inventive tire 3 of FIG. 4 composed of four arcs CI, C2, C3, and C2 ′ having curvature radii R1, R2, R3, and R2 ′, respectively.
- the conventional tire having the configuration shown in FIG. 6 and the arc C1 having a radius of curvature R1 smaller than the radius of curvature R0 of the arc C0 forming the contour of the tread surface as shown in FIGS.
- Comparative tire 4 in which the curvature radii Rl, R2, and 13 ⁇ 43 of the tire 2 of the present invention were set to 13 ⁇ 41> R2 and R2 ⁇ R3, respectively.
- the radius of curvature R0, R1, R2, R3, R2 'and the ratio d / W of each arc are as shown in Table 1.
- Each test tire was mounted on an indoor drum testing machine, and the cornering force was measured under the conditions of a load of 4.0 kN, a running speed of 100 km / h, a slip angle of 4 °, and a cantilever angle of 3 °.
- the results were evaluated by an index value with the conventional tire being 100. The larger this value, the higher the turning force and the better the turning performance.
- more than 105 Significant effect was evaluated.
- Each test tire was mounted on a two-liter four-wheel drive vehicle with a displacement of 2 liters, and after traveling 10 times on a 2.1 km circuit course, the wear amount of the second land was measured. Was evaluated by the 10-point method. The larger this value, the better the uneven wear resistance. Here, 7 or more are considered to be practically effective.
- Table 1 shows that the tire of the present invention can effectively improve the turning performance and the uneven wear resistance.
- test tires was subjected to an evaluation test for turning performance and uneven wear resistance in the same manner as in Example 1, and the results shown in Table 2 were obtained.
- the ratio d / W of the depth d of the intersection to the groove width W of the main groove 2 is preferably in the range of 0.01 to 0.15.
- the tire when the tire is mounted on the vehicle, at least one of the contact surfaces of at least the second land portion counted from the outside of the vehicle is reduced to a radius of curvature that is smaller than the conventional first arc outside the vehicle.
- An arc is connected, or a curve is formed on the outside of the conventional first arc outside the vehicle so as to be depressed from the tread surface toward the outside of the vehicle.
- the second arc or curve and the second land vehicle By specifying the ratio d / D of the depth d of the intersection with the outer wall surface to the groove depth D of the main groove facing the vehicle outer wall surface in the above range, a large turning force such as in circuit running can be obtained. Resulting use conditions Underneath, it becomes possible to improve the turning performance and the uneven wear resistance effectively.
- the present invention having the above-described excellent effects can be used very effectively as a pneumatic tire mounted on a vehicle running on a circuit kit or the like.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/520,680 US7478657B2 (en) | 2002-09-10 | 2003-09-08 | Pneumatic tire with ground contact surface of land portion having circular arcs |
EP03795308A EP1541382B1 (en) | 2002-09-10 | 2003-09-08 | Pneumatic tire |
JP2004535906A JP4145300B2 (ja) | 2002-09-10 | 2003-09-08 | 空気入りタイヤ |
DE60331744T DE60331744D1 (de) | 2002-09-10 | 2003-09-08 | Luftreifen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002/264148 | 2002-09-10 | ||
JP2002264148 | 2002-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004024473A1 true WO2004024473A1 (ja) | 2004-03-25 |
Family
ID=31986497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/011426 WO2004024473A1 (ja) | 2002-09-10 | 2003-09-08 | 空気入りタイヤ |
Country Status (8)
Country | Link |
---|---|
US (1) | US7478657B2 (ja) |
EP (1) | EP1541382B1 (ja) |
JP (1) | JP4145300B2 (ja) |
KR (1) | KR20050033610A (ja) |
CN (1) | CN100335300C (ja) |
DE (1) | DE60331744D1 (ja) |
TW (1) | TWI238125B (ja) |
WO (1) | WO2004024473A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006224924A (ja) * | 2005-02-21 | 2006-08-31 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
WO2007023759A1 (ja) * | 2005-08-23 | 2007-03-01 | Kabushiki Kaisha Bridgestone | 空気入りタイヤ |
JP2007069692A (ja) * | 2005-09-06 | 2007-03-22 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
JP2012116410A (ja) * | 2010-12-02 | 2012-06-21 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
JP2015131634A (ja) * | 2013-12-13 | 2015-07-23 | 株式会社ブリヂストン | 空気入りタイヤ |
WO2017217426A1 (ja) * | 2016-06-14 | 2017-12-21 | 株式会社ブリヂストン | タイヤ |
JP2018122855A (ja) * | 2018-04-03 | 2018-08-09 | 住友ゴム工業株式会社 | 空気入りタイヤ |
CN110730726A (zh) * | 2017-06-15 | 2020-01-24 | 株式会社普利司通 | 轮胎 |
JP7472466B2 (ja) | 2018-11-13 | 2024-04-23 | 住友ゴム工業株式会社 | タイヤ |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008032281A1 (de) * | 2008-07-09 | 2010-01-14 | Continental Aktiengesellschaft | Fahrzeugluftreifen |
JP4973708B2 (ja) | 2009-09-11 | 2012-07-11 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP5214776B2 (ja) * | 2011-07-15 | 2013-06-19 | 株式会社ブリヂストン | 加硫済みトレッド |
JP6009748B2 (ja) * | 2011-09-14 | 2016-10-19 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP5917869B2 (ja) * | 2011-09-14 | 2016-05-18 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP5387707B2 (ja) * | 2012-03-14 | 2014-01-15 | 横浜ゴム株式会社 | 空気入りタイヤ |
CN103264619B (zh) * | 2013-03-15 | 2015-10-28 | 江苏大学 | 一种宽基子午线胎面弧轮胎 |
CN105142932B (zh) * | 2013-03-18 | 2017-05-31 | 株式会社普利司通 | 轮胎 |
CN103332070B (zh) * | 2013-06-20 | 2016-12-28 | 江苏大学 | 一种仿生胎冠结构子午线轮胎 |
JP6211354B2 (ja) * | 2013-09-04 | 2017-10-11 | 株式会社ブリヂストン | 空気入りタイヤ |
JP6253941B2 (ja) * | 2013-10-09 | 2017-12-27 | 株式会社ブリヂストン | タイヤ |
JP6433760B2 (ja) * | 2014-10-31 | 2018-12-05 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
JP6793021B2 (ja) * | 2016-12-02 | 2020-12-02 | Toyo Tire株式会社 | 空気入りタイヤ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0687582A1 (fr) * | 1994-06-14 | 1995-12-20 | COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN-MICHELIN & CIE | Bande de roulement pour pneumatique |
JPH11165504A (ja) * | 1997-12-01 | 1999-06-22 | Bridgestone Corp | 空気入りタイヤ |
JP2002029219A (ja) * | 2000-07-19 | 2002-01-29 | Bridgestone Corp | 空気入りタイヤおよびそれの装着方法 |
Family Cites Families (14)
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US4722378A (en) * | 1986-05-19 | 1988-02-02 | The Goodyear Tire & Rubber Company | Tire treads with convex elements |
JPH03208707A (ja) * | 1989-10-23 | 1991-09-11 | Bridgestone Corp | 重荷重用空気入りラジアルタイヤのトレッド |
JP3001220B2 (ja) * | 1990-02-23 | 2000-01-24 | 株式会社ブリヂストン | 空気入りタイヤ |
JP3057381B2 (ja) * | 1991-04-11 | 2000-06-26 | 横浜ゴム株式会社 | 乗用車用空気入りラジアルタイヤ |
JP3121391B2 (ja) * | 1991-09-19 | 2000-12-25 | 株式会社ブリヂストン | 重荷重用空気入りタイヤ |
JP3197953B2 (ja) * | 1992-07-29 | 2001-08-13 | 住友ゴム工業株式会社 | 空気入りラジアルタイヤ |
JP2992466B2 (ja) * | 1995-02-24 | 1999-12-20 | 住友ゴム工業株式会社 | 空気入りタイヤ |
US5616195A (en) * | 1995-08-28 | 1997-04-01 | The Goodyear Tire & Rubber Company | Low aspect ratio truck tire |
JP3636565B2 (ja) * | 1997-03-18 | 2005-04-06 | 横浜ゴム株式会社 | 重荷重用空気入りラジアルタイヤ |
JPH111105A (ja) * | 1997-06-13 | 1999-01-06 | Bridgestone Corp | 空気入りタイヤ |
EP1484197B1 (en) * | 1999-02-22 | 2015-12-30 | Bridgestone Corporation | Pneumatic tire |
DE19937067A1 (de) * | 1999-08-05 | 2001-02-08 | Dunlop Gmbh | Fahrzeugreifen mit einer profilierten Lauffläche |
DE19945774B4 (de) * | 1999-09-24 | 2005-02-24 | Continental Aktiengesellschaft | Fahrzeugluftreifen |
JP2002002223A (ja) * | 2000-06-21 | 2002-01-08 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
-
2003
- 2003-09-08 DE DE60331744T patent/DE60331744D1/de not_active Expired - Lifetime
- 2003-09-08 CN CNB038163845A patent/CN100335300C/zh not_active Expired - Fee Related
- 2003-09-08 KR KR1020057000821A patent/KR20050033610A/ko not_active Application Discontinuation
- 2003-09-08 JP JP2004535906A patent/JP4145300B2/ja not_active Expired - Fee Related
- 2003-09-08 US US10/520,680 patent/US7478657B2/en not_active Expired - Lifetime
- 2003-09-08 WO PCT/JP2003/011426 patent/WO2004024473A1/ja active Application Filing
- 2003-09-08 EP EP03795308A patent/EP1541382B1/en not_active Expired - Lifetime
- 2003-09-09 TW TW092124848A patent/TWI238125B/zh not_active IP Right Cessation
Patent Citations (3)
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Cited By (15)
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JP4626333B2 (ja) * | 2005-02-21 | 2011-02-09 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2006224924A (ja) * | 2005-02-21 | 2006-08-31 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
US8322386B2 (en) | 2005-08-23 | 2012-12-04 | Kabushiki Kaisha Bridgestone | Pneumatic tire with tread having rib with chamfered wing portions |
WO2007023759A1 (ja) * | 2005-08-23 | 2007-03-01 | Kabushiki Kaisha Bridgestone | 空気入りタイヤ |
JP4813492B2 (ja) * | 2005-08-23 | 2011-11-09 | 株式会社ブリヂストン | 空気入りタイヤ |
JP2007069692A (ja) * | 2005-09-06 | 2007-03-22 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
JP4742759B2 (ja) * | 2005-09-06 | 2011-08-10 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2012116410A (ja) * | 2010-12-02 | 2012-06-21 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
JP2015131634A (ja) * | 2013-12-13 | 2015-07-23 | 株式会社ブリヂストン | 空気入りタイヤ |
WO2017217426A1 (ja) * | 2016-06-14 | 2017-12-21 | 株式会社ブリヂストン | タイヤ |
JP2017222243A (ja) * | 2016-06-14 | 2017-12-21 | 株式会社ブリヂストン | タイヤ |
US10967680B2 (en) | 2016-06-14 | 2021-04-06 | Bridgestone Corporation | Tire |
CN110730726A (zh) * | 2017-06-15 | 2020-01-24 | 株式会社普利司通 | 轮胎 |
JP2018122855A (ja) * | 2018-04-03 | 2018-08-09 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP7472466B2 (ja) | 2018-11-13 | 2024-04-23 | 住友ゴム工業株式会社 | タイヤ |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004024473A1 (ja) | 2006-01-05 |
JP4145300B2 (ja) | 2008-09-03 |
US20050241738A1 (en) | 2005-11-03 |
CN100335300C (zh) | 2007-09-05 |
EP1541382A4 (en) | 2007-05-02 |
TW200408563A (en) | 2004-06-01 |
KR20050033610A (ko) | 2005-04-12 |
DE60331744D1 (de) | 2010-04-29 |
US7478657B2 (en) | 2009-01-20 |
EP1541382A1 (en) | 2005-06-15 |
CN1668484A (zh) | 2005-09-14 |
EP1541382B1 (en) | 2010-03-17 |
TWI238125B (en) | 2005-08-21 |
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